UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bxCezCmMQR5Q7kbGj3fU3fiqJPwRvpQuMerhjelMfXE=' 
WHERE 
  key_id = 'd6b2ff3658592de70aff9a8630bf9a6bd088a49c2949643dcdb058685f0a157a' 
  AND (
    token = 'bxCezCmMQR5Q7kbGj3fU3fiqJPwRvpQuMerhjelMfXE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )